Telephone system



Dec. 7, 1954 G. DEAKIN TELEPHONE SYSTEM 5l Sheets-Sheet 1 Original Filed Feb. 4, 1946 nzumu ug?. W m munzi a n I I w A TTORNEY Dec. 7, 1954 G. DEAKIN TELEPHONE SYSTEM 51 Sheets-Sheet 2 MAIN DIST.

FRAME To FIRs'r IDENT. FINDER e A LIINDE Ib, I

v e 9 o LINE FINDER c c DANK FIG. 1

I. 0 I t 1 l T 0 I J A .Z.. \PB F :FINALI To sTARTING cIRcuIT FIG.: 2 3 4 c kIcF-Ic Io PsI PsIz Fcl PII 2 rc2 i@-1- No E T S: CONNECT TER.I TO

PSI FOR LINES WITH KEYSET 2 FOR LINES WITH DIAL CONNECT TER. 2 TO PSI2 FOR LINES IN SERVICE FOR LINES OUT OF- SERVICE FOR PN PC l PS POTENTIALS SEE F|G.Gx

PCI UNRESTRICTED LINES PC2 RESTRICTED LINES FIGZ MAIN DIsT. 'ro FIRsrr IDENT. FRA

r e n FINDER A To I INE 'S b I c c B LINE FINDER F c BANK .s FIGJ To STARTING j, j CIRCUIT FIG.: L) d 0 CDR sEE [El-I X "IJ Q -N IIoTE 2 s 4 I z a PN PsI PsIz Fcl I". rum FIG 2 cI.

F IFINALI' sussen/.95@ UNE c/IQcU/T Pax a hem v--J sEE NoTE oNE c NoTE I. To OTHER LINES FIGJD coNNEcT PBxR To FIRsT oR sEcoND LINE T NoT NEEDED FDR NIGHT sERvIcE NUMBERS AND coNNEcr TER. 4 oF sucI-I LINES DIRECT To PN cb) NDTE'E:

PcI uNREs-rRIcTED I INEs Nm T To PsI FDR I INEs wITH KEYsET IN 2 FOR LINES WITH DIAL CONNECT TER. 2 TO -IISIZ FOR LINES IN SERVICE FOR LINES OUT OF SERVICE Ib) FOR PN PC l PS' POTENTIALS (c) PN (a.) NIGHT LINE NUMBER (d.) PN (b) PBX NUMBER SEE FIG.6

I GERA/ D .DEAR/N l A TTOP/VEI Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM Original Fild Feb. 4, 1946 51 Sheets-Sheet 3 TO MARKER FIG.

To FIRsT RELAY `II IDENT. FINDER IIDFCL .s A To LINE ,b- .5..

o c B LINE FINDER ,.c. E BANK C E C FIG.7 r

Z l t T To STARTING cIRcuI'r FIG 1 LR coR I 2 :s 4 s Ps3 F35 PCI P55 PN Psc PC2 Psc Ps1 Psv A mv IAxDI B F IFINALI SELECTOR NOTE. c BANK In.: CoNNECTIoNs FoR sTA'rIoN FIG ,o OCCUPATION AT TER. 2 L 4 .r Ps-aoTII sTATIoNs CoNNEcrED Pn-sTATIoNs A oR AG CONNECTED PT-STATIoNs D DR K CONNECTED --NO STATIONS CONNECTED WHEN USED FOR MAIN LINES CONNECT AS PERw FIG-2 IEI FDR PN Pc oR Ps PoTENTIALs SUBSCR/BER UNE C/RCU/T s FIG-6X 4 PARTI L/NE- TERM/NAL PER L/NI4 2 d suscR/BER $57' c/RcU/T REcT/F/ER PULs//I/G F/NGER PULL KEI/ CDMMUTATDR e I W H CoMMuTAToR 2- b3 2 e o o 4 RINGER I SPRING NEsT *|111 SPRING NEST`-2 SWITCH HOOK v I RANS.

GERALD DEAK/N OPERATION 0F KEY SET 0N RELEAS BY I, CI MAKES FIRST I 2. C2 OPENS NEXT a c3 cLosEs I AsT ATTORNEY Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM THRU OTHER BR. CONTACTS A TTD/@NEW Dec.

Original Filed Feb. 4, 1946 7, 1954 G, DEAKIN 2,696,525

TELEPHONE SYSTEM 5l Sheets-Sheet 5 IDENTIFICATION 3 g FINDER FIG.1 MARKER l FINDER 4 cIRcuIT C FIG. I2

F BIBLE ow-A. :c L l o Ne FINDER I LINE cIRcun' FIG. CABLE cl'l FIG. 1 Ou T o .L I INVENTOR.

GERALD DEAK/N FIG. 11 STAT/ON MAPK/NG C//QCU/T 4 PARTY- ATTORNEV Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM Original Filed Feb. 4, 1946 5l Sheets-Sheet 6 FIG. 5 ,9-

R ga- 2R LIIOV.

TO LINE DER FIG. 'l

T0 FIRST GROUP FIG. 8

FIG. 4 1 6- -GERALNZI 4 P'TL/ZINCER//T/N BY G G NOTES: @MGM/l.

MAKES BEFORE "q" BREAKS REs|sTANcEs APPROXIMATE (M) MARGINAL A TTOR/VEV Dec. 7, 1954 G. DEAKIN A.

T0 R-LINK FIG. 4 M

a' D E KEYING TON E RELAYS TO FIG. 6e

NO TE MAKES BEFORE "a" BREAKS FlGq 51 Sheets-Sheet 7 TO OUTTTRUNK PULSING CIRCUIT FIG.GCC

INVENTOR. GERA/ D DEA/(Ml A 7- TORNEI Dec. 7, 1954 G, DEAKlN 2,696,525

TELEPHONE SYSTEM Original Filed Feb. 4, 1946 5l Sheets-Sheet 8 T0 FIG. 0b

' INVENTOR.

Fl G 6 Cl i GERA/ D @EAK/N G. DEAKIN TELEPHONE SYSTEM O riginai Filed Feb. 4, 1946 MRTY STA PULSE STORIP PLD A FIG. 6b

51 Sheets-Sheet 9 INVENTOR.

GRA/ D DEA/N A TTORNEV Dec. 7, 1954 l y G. DEAKIN 2,696,525

TELPHONE SYSTEM Original Filed'Feb. 4, 1946 5l Sheets-Sheet l0 7 RELEASE T0 FI TO FIG. 6d.

INVENTOR.

' GERALD DEAK/N A TTORNEV FIG. 6c

DeC- 7, 1954 G. DEAKIN 2,696,525

' TELEPHONE SYSTEM Original File'd Feb. 4, 1946 51 Sheets-Sheet 11 TO FIG. 6c

NO. I

TO FIG. Bc

INVEN TOR.

' 6 d v GERA/.D @EAK/N BY A TTG/:Nay

Dec. 7, 1954 G. Dr-:AKIN 2,696,525

TELEPHONE SYSTEM Original Filed Feb. 4, 1946 51 Sheets-Sheet l2 TO FIG. 6d

FIRST GROUP DIGIT STORING KRZ FIRST GROUP 0F DIGIT STORING RELAYS IN1/Emol;

FI G 6 e GRA/ o DEA/mv A TTOR/VEV Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM Original Filed Feb. 4, 1946 51 Sheets-Sheet 13 TO FIG. 6g

IN V EN TOR.

6 F BY I GERALD DEA/mv Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM Original Filed Feb. 4, 1946 51 Sheets-Sheet 14 TO FIG. 61x

INVENTOR.

BY 'GERALD DEAR/.N

.4 TTO/PNEV Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM Original Filed Feb. 4, 1946 5l Sheets-Sheet 15 SECOND GRQUP IN VEN TOR.

F l G l R H GERALD DEAK/N v By v l A TTOR/VEV Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM 'original Filed Feb. 4, 194e 51 sheets-sheet 1e To Flo. ej

I INVEN TOR.

F I G 6 i GERA/ 0 DEA/fnv BY A TTORNEV Dec. 7, 1954 G. DEAKIN 2,696,525

TELEPHONE SYSTEM I Original Filed Feb. 4, 1946 51 Sheets-Sheet 17 TO FIG. 6i

TO FIGY 6K INVENTOR. GERALD DEAK/N Dec. 7, 1954 G. DEAKIN TELEPHONE SYSTEM Original Filed Feb. 4, 1946 roAFm. sj

P a PN9 5l Sheets-Sheet 18 A PNB A PN7 A Nl APNO

X X R R THIRD GROUP FIG. 6k

A FM4 o PNB INVENTOR.

GERALD @EAK/N ,4 TTORNE'Y Dec. 7, 1954 Original Filed Feb. 4, 1946 G. DEAKIN TELEPHONE SYSTEM 51 Sheet's-Sheet 19 T0 FIG FIG el INVENTOR. GERALD DEAK/N A TTORNEV Dec. 7, 1954 G. DEAKIN TELEPHONE SYSTEM Original Filed Feb. 4, 1946 ToAFlG. el

5l Sheets-Sheet 2O mel RINGING SELECTION RELAYS T TO -FIG. Gn

FIG. 6m'

INVENTOR. GERLD DEAK/N 

